Search Results - "LOO, Roger"
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Germanium-on-silicon planar concave grating wavelength (de)multiplexers in the mid-infrared
Published in Applied physics letters (14-10-2013)“…Mid-infrared wavelength (de)multiplexers based on planar concave gratings (PCGs) fabricated on a germanium-on-silicon waveguide platform are presented. PCGs…”
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2
Ge-on-Si and Ge-on-SOI thermo-optic phase shifters for the mid-infrared
Published in Optics express (17-11-2014)“…Germanium-on-silicon thermo-optic phase shifters are demonstrated in the 5 μm wavelength range. Basic phase shifters require 700 mW of power for a 2π phase…”
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3
Site Selective Integration of III–V Materials on Si for Nanoscale Logic and Photonic Devices
Published in Crystal growth & design (03-10-2012)“…Integrating high electron mobility III–V materials on an existing Si based CMOS processing platform is considered as a main stepping stone to increase the CMOS…”
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4
Electrical properties of extended defects in strain relaxed GeSn
Published in Applied physics letters (09-07-2018)“…We report the electrical properties of 60° dislocations originating from the +1.2% lattice mismatch between an unintentionally doped, 315 nm thick…”
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5
High 5.2 peak-to-valley current ratio in Si/SiGe resonant interband tunnel diodes grown by chemical vapor deposition
Published in Applied physics letters (27-02-2012)“…Si/SiGe resonant interband tunnel diodes were fabricated using chemical vapor deposition (CVD) on 200-mm diameter p-doped silicon wafers. The resonant…”
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6
Silicon-Based Photonic Integration Beyond the Telecommunication Wavelength Range
Published in IEEE journal of selected topics in quantum electronics (01-07-2014)“…In this paper we discuss silicon-based photonic integrated circuit technology for applications beyond the telecommunication wavelength range…”
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7
Enhanced active P doping by using high order Ge precursors leading to intense photoluminescence
Published in Thin solid films (01-03-2016)“…The impact of the growth temperature on the in-situ phosphorus doped Ge layer grown by chemical vapor deposition is studied to achieve a sufficiently high…”
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8
Fabrication, Characterization, and Analysis of Ge/GeSn Heterojunction p-Type Tunnel Transistors
Published in IEEE transactions on electron devices (01-10-2017)“…We present a detailed study on fabrication and characterization of Ge/GeSn heterojunction p-type tunnel-field-effect-transistors (TFETs). Critical process…”
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Density and Capture Cross-Section of Interface Traps in GeSnO2 and GeO2 Grown on Heteroepitaxial GeSn
Published in ACS applied materials & interfaces (01-06-2016)“…An imperative factor in adapting GeSn as the channel material in CMOS technology, is the gate-oxide stack. The performance of GeSn transistors is degraded due…”
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10
Chemical vapor deposition of Si:C and Si:C:P films—Evaluation of material quality as a function of C content, carrier gas and doping
Published in Journal of crystal growth (15-09-2015)“…Incorporation of source–drain stressors (S/D) for FinFETs to boost the channel mobility is a promising scaling approach. Typically SiGe:B S/D stressors are…”
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Journal Article -
11
Influence of precursor gas on SiGe epitaxial material quality in terms of structural and electrical defects
Published in Japanese Journal of Applied Physics (01-04-2016)“…We have investigated the structural and electrical properties of n-type doped Si1−xGex epitaxial layers (x = 24-26%) grown by chemical vapor deposition with…”
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12
Optimized design of Si-cap layer in strained-SiGe channel p-MOSFETs based on computational and experimental approaches
Published in Solid-state electronics (01-01-2014)“…•Strainde-SiGe channel p-MOSFETs with a Si-cap layer are studied.•The roles of Si-cap layer are clarified by using simulation and experiment.•2D hole…”
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13
The implant-free quantum well field-effect transistor: Harnessing the power of heterostructures
Published in Thin solid films (01-02-2012)“…The Implant-Free Quantum Well Field-Effect Transistor (FET) offers enhanced scalability in a planar architecture through the integration of heterostructures…”
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Journal Article Conference Proceeding -
14
Fabrication and Analysis of a / Heterojunction Line Tunnel FET
Published in IEEE transactions on electron devices (01-03-2014)“…This paper presents a new integration scheme to fabricate a Si/Si 0.55 Ge 0.45 heterojunction line tunnel field effect transistor (TFET). The device shows an…”
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15
Influence of dislocations in strained Si∕relaxed SiGe layers on n+∕p-junctions in a metal-oxide-semiconductor field-effect transistor technology
Published in Applied physics letters (07-11-2005)“…We present an investigation of junction leakage in highly doped n+∕p-junctions, fabricated in strained silicon/relaxed SiGe substrates. The leakage is shown to…”
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16
Si1-yGey or Ge1-zSnz Source/Drain Stressors on Strained Si1-xGex-Channel P-Type Field-Effect Transistors: A Technology Computer-Aided Design Study
Published in Jpn J Appl Phys (25-04-2013)“…The interaction between two stress techniques, strain-relaxed buffers (SRBs) and epitaxial source/drain stressors, is studied on short, Si 1-x Ge x - and…”
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17
Layout Scaling of \hbox\hbox \hbox pFETs
Published in IEEE transactions on electron devices (01-08-2011)“…Through a combination of electrical measurements, technology computer-aided design simulations, and wafer bending experiments, the effect of elastic stress…”
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18
Effects of Strain on Diborane Dissociative Adsorption and Boron Incorporation on Si 0.5 Ge 0.5 (001)-2 × 1 Surfaces
Published in Journal of physical chemistry. C (01-08-2024)Get full text
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Effects of Strain on Diborane Dissociative Adsorption and Boron Incorporation on Si0.5Ge0.5(001)‑2 × 1 Surfaces
Published in Journal of physical chemistry. C (01-08-2024)“…This study investigates the surface reaction pathway of the diborane dissociative adsorption on the Si0.5Ge0.5(001)-2 × 1 surface by using density functional…”
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Journal Article -
20
Germanium-on-Silicon Mid-Infrared Arrayed Waveguide Grating Multiplexers
Published in IEEE photonics technology letters (15-09-2013)“…In this letter, we describe the use of a germanium-on-silicon waveguide platform to realize an arrayed waveguide grating (AWG) operating in the 5 μm wavelength…”
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